... K20, HSS M2/M42/6542 2)Standard or Nonstandard 3)High quality High speed steel ejector pins1)Material: carbide K01/K05/K20, HSS ... cutting & milling tools: Carbide End Mill, Ball & Nose End Mill, Corner Radius End Mill, Roughing End Mill, Twist Drill, Center Drill, Spotting ... cutting (good anti-sticky).6) Longer tool life, super high wear resistant and impact-resistant application.7) Work piece ...